Feed-regulator for lubricators.



PATENTED MAY 9, 1905.

R. J. ELLIOTT. FEED REGULATOR FOR LUBRIOATORS.

APPLICATION FILED JAN. 11, 1904.

'- Mariam y v I UNITED STATES Patented May 9, 1905.

PATENT OEEIcE.

ROBERT JAMES ELLIOTT, OF SANTA CRUZ, CALIFORNIA.

SPECIFICATION forming part of Letters Patent No. 789,268, dated May 9, 1905. Application filed January 11,1904. Serial No. 188,548.

To all whom'it may concern.-

Beitknown that I, ROBERT JAMES ELLIOTT, a citizen of the United States, residing at Santa Cruz, in the county of Santa Cruz and State of California, have invented a new and useful Feed-Regulator for Lubricators, of which the following is a specification.

My invention relates to feed-regulators for lubricators, being designed especially for application to the class of devices known as I sight-feed lubricators and having a plurality of feed-tubes, and has for its objects to produce a simple inexpensive device of this character which may be readily applied and one by which the amount of lubricant fed to the tubes may in practice be accurately regulated.

To these ends the invention comprises the novel features of construction and combination of parts more fully hereinafter described.

In the accompanying drawings, Figure 1 is a perspective view showing my improved regulator applied. Figs. 2 and 3 are detail views of the regulator.

Referring to the drawings, 1 designates the lubricator, having a condenser 2 and an oilreservoir 3, there being attached and communicating with the latter a pair of feed-tubes 4, the feed-stems 5 of which are provided upon their lower ends with operating-handles 6. These parts, which are foreign to my invention, may be of the usual or any preferred construction and operation, the ordinary prac: tice being to connect the condenser 2 and res ervoir 3 with a steam duct or main, from which steam passes through said parts and feedtubes, carrying the oil in quantities regulated by the latter back into the steam-main and thence delivering it, with the steam, to the parts to be lubricated.

In accordance with my invention I affix in any suitable manner upon the stems 5 for rotation therewith graduated dials 7, preferably in the form of circular sheet-metal disks, and provide above the graduated face of each dial a fixed non-rotary pointer or indicat0r8, which serves, in conjunction with the dial, to determine the proper adjustment of the feed-stems 5 for regulating the flow of oil through the feed-tubes. The pointers or indicators 8 are preferably formed at the opposite ends of an indicator-plate 9, removably mounted beneath the lower end of the lubricator, and which, as shown in Fig. 2, preferably consists of a sheetmetal plate of substantially elliptical form having a central opening 10, through which the usual drain-valve 11, provided beneath the reservoir 3, may in practice extend, and with end openings 12, adapted to receive the feed-stems 5.

In practice the plate 9 is first placed in position and the dials 7 fixed upon the stems beneath the plate, thereby retaining the latter in position, it being understood, of course, that owing to the engagement of the plate at opposite ends with the stems horizontal movement of the plate will be prevented, and consequently the pointers 8 will be maintained fixed relative to the dials 7 It is also apparent that in practice by turning the stems 5 until certain graduations on the dials are brought opposite the pointers the flow of lubricant may be positively and accurately regulated. In order to prevent any shifting or turning of the stems when the same have been adjusted, there is a coiled spring 12 mounted on each stem that bears at its upper end against the packing-nut 13 of each feed-tube and at its lower end against the terminal portions of the pointer. By this simple arrangement it will be seen that any under or over feeding, more particularly the latter, due to the vibrations of the machinery to which the lubricator is attached, are obviated in a ready and practical manner.

From the foregoing it will be seen that I produce a simple inexpensive device which may be readily applied and will in practice efficiently perform its functions. In attaining these ends it is to be understood that I do not limit myself to the precise details herein disclosed, as minor changes may be made without departing from the spirit of the invention.

Having thus described my invention, what I claim is The combination with a lubricator comprising an oil-reservoir provided with a drain- Valve, a plurality of feed-tubes communioatnals of the pointer to hold the feed-stems in 1 ing with the reservoir, and feed-stems for the their adjusted positions.

respective tubes, of dials carried by the feed- In testimony that I'claim the foregoing as stems, a pointer having its terminals promy own I have hereto afiixed my signature in vided with orifices through which the feedt hepresence of two Witnesses.

stems are passed and with a central orifice to 7 ROBERT JAMES ELLIOTT. engage the drain-valve to hold the pointer in Witnesses: position, and springs interposed between the H. B. BELDEN,

packing-nuts of the feed-tubes and the termi- ROB E. ELLIOTT. 

